.content_loading {
  margin-left: 10px;
  margin-top: 4px;
  text-align: center;
}
.content_loading > div {
  width: 8px;
  height: 8px;
  background-color: #939393;
  border-radius: 50%;
  display: inline-block;
  animation: action 1.5s infinite ease-in-out;
  animation-fill-mode: both;
  margin: 0 3px;
}
.content_loading .point1 {
  animation-delay: -0.3s;
}
.content_loading .point2 {
  animation-delay: -0.1s;
}
@keyframes action {
  0%,
  80%,
  100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}
